CN106352813A - Sensing-technology-based shaft workpiece measurement device and measurement method thereof - Google Patents
Sensing-technology-based shaft workpiece measurement device and measurement method thereof Download PDFInfo
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- CN106352813A CN106352813A CN201610883710.2A CN201610883710A CN106352813A CN 106352813 A CN106352813 A CN 106352813A CN 201610883710 A CN201610883710 A CN 201610883710A CN 106352813 A CN106352813 A CN 106352813A
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- shaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to the technical field of geometric tolerance measurement of shaft workpieces, and particularly discloses a sensing-technology-based shaft workpiece measurement device and a measurement method thereof. The geometric tolerance measurement device comprises a base, a clamping component, a measurement component, a signal conditioner, a processor, a PLC (programmable logic controller) and a display screen. According to the sensing-technology-based shaft workpiece measurement device, high-tech detection means of opto-mechatronics, processor, signal processing and the like is utilized, wherein information received by a measurement instrument such as a CCD (charge coupled device) image sensor, a position sensor and a coded disc can be processed by the processor to detect the geometric tolerance and the external dimension of a shaft workpiece, and the device has the characteristics of precision, accuracy and high efficiency, is simple in structure and relatively lower in cost, and is one of effective approaches for detecting the geometric tolerance of the shaft workpiece.
Description
Technical field
The present invention relates to shaft-like workpiece form and position tolerance field of measuring technique, it is based especially on the shaft-like workpiece survey of sensing technology
Amount device and its measuring method.
Background technology
With scientific and technical continuous development, original Workpiece detecting device and its measuring method can not meet industry
Demand, workpiece sensing now is not only very high to the detection requirement such as the size of some precision components, form and position tolerance and roughness,
And their detection efficiency is required especially high.The measurement error such as some traditional slide calliper rule, dial gauge, micrometers are big, precision
Low survey tool can not meet these high accuracy, high efficiency, the detection of the precision component of high reliability require.Due to America and Europe
The application of enterprise's manufacturing technology, computer technology, sensor technology and automatic control technology, state's added salts aspect obtains
Rapid progress, occurs in that many new detection means and measuring method accordingly.Due to the raising of process technology, this just gives
Detection mode is put forward higher requirement, that is, detection means will can improve production efficiency, save production cost and improve production
Quality.At present, using the high metering system of precision, such as three-coordinates measuring machine, its certainty of measurement is high, measuring speed for great majority
Hurry up, but especially high to environmental requirement it is also desirable to staff possesses some theoretical basiss and operational capacity, price also compares
Expensive, be not suitable for promoting.
Content of the invention
The purpose of the present invention is the defect overcoming prior art to exist, provide a kind of measurement accurately and efficiency high based on biography
The shaft-like workpiece measurement apparatus of sense technology and its measuring method.
In order to realize the purpose of the present invention, be the technical scheme is that
The present invention is included based on the shaft-like workpiece measurement apparatus of sensing technology:
Base, described base is fixing in the horizontal plane；
Clamp assemblies, described clamp assemblies are fixed on described base, and described clamp assemblies include fixture, jig driver
With hold out against part, described fixture is arranged on described jig driver, and the described part that holds out against is fixed on described base, described holds out against part
Grip shaft-like workpiece with fixture, described hold out against part and described fixture has equal centering height；
Measurement assembly, described measurement assembly includes ccd imageing sensor, angular transducer and position sensor, described angle
Degree sensor is arranged on described fixture, and described angular transducer is used for detecting the angle that described fixture rotates, described ccd image
Sensor and position sensor are slidably mounted on rail plate by sliding support, and described rail plate is fixed on base,
Described sliding support is slided along described rail plate by Motor drive, and described ccd imageing sensor is used for the inspection of shaft-like workpiece
Survey, described position sensor is used for judging the position of described ccd imageing sensor；
Signal conditioner, described signal conditioner is used for receiving the signal of described measurement assembly transmission, described signal condition
Device carries out the filtration of signal, amplifies and nurse one's health and be sent to processor；
Processor, described processor receipt signal nurses one's health the signal of device feedback, and is analyzed with default threshold values and sentences
The form and position tolerance of disconnected shaft-like workpiece；
Plc controller, described plc controller is connected with described processor, and described plc controller is according to the control of processor
Signal controls jig driver and motor；
Display screen, described display screen is connected with described processor, and described display screen is used for showing form and position tolerance measurement result.
Base of the present invention is bolted on horizontal plane, and described rail plate is fixed on described by spider
On base.
The part that holds out against of the present invention includes top and tip holder, described top is fixed on described base by tip holder
On.
Fixture of the present invention is three-jaw electric chuck.
Embedded imaging len automatic light source in ccd imageing sensor of the present invention, described ccd imageing sensor is used for
The one-dimensional size of detection shaft-like workpiece, shape and area parameters.
Angular transducer of the present invention is code-disc, and described position sensor is grating scale position sensor, described display
Shield for enlightening literary composition display screen.
The present invention also provides a kind of shaft-like workpiece form and position tolerance measuring method based on sensing technology, using above-mentioned based on
The shaft-like workpiece measurement apparatus of sensing technology, comprise the following steps:
A. described jig driver drives fixture to rotate, and described clamp strap is moved shaft-like workpiece and operated together；
B. described ccd imageing sensor detects to shaft-like workpiece, and described angle transducer detects that described fixture turns simultaneously
Dynamic angle, described position sensor detects the position of described ccd imageing sensor；
C. detection signal is sent to described signal by described ccd imageing sensor, angular transducer, position sensor respectively
Conditioner, described signal conditioner receives the signal of described sensor transmission, and carries out the filtration of signal, amplifies and conditioning, and
It is sent to processor；
D. described processor receipt signal nurses one's health the signal of device feedback, and is analyzed with default threshold values and judges circle
The form and position tolerance of workpiece, then shows form and position tolerance by display screen.
The beneficial effect of the shaft-like workpiece measurement apparatus based on sensing technology of the present invention and its measuring method is:
(1) compared with prior art, the present invention based on the shaft-like workpiece measurement apparatus of sensing technology make use of light, machine,
Electricity and the new and high technology detection meanss such as processor and signal processing, wherein ccd imageing sensor, position sensor, code-disc etc.
The information that measuring instrument receives is processed by processor, can detect form and position tolerance and the profile chi of shaft-like workpiece
Very little, there is precision, accurately and efficiently feature, and structure is simple, cost is relatively low, be the form and position tolerance inspection realizing shaft-like workpiece
One of effective way surveyed；
(2) the shaft-like workpiece measurement apparatus accuracy of detection height based on sensing technology of the present invention, efficiency high, highly reliable,
The detection of shaft-like workpiece can be completed.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure diagram of the shaft-like workpiece measurement apparatus based on sensing technology of the present invention；
Fig. 2 is the theory diagram of the shaft-like workpiece measurement apparatus based on sensing technology of the present invention.
Wherein: base 1；Fixture 21, jig driver 22, top 23, tip holder 24；Ccd imageing sensor 31, angle
Sensor 32, position sensor 33；Rail plate 4, sliding support 41, motor 42；Signal conditioner 5；Shaft-like workpiece 6；Process
Device 7；Plc controller 8；Display screen 9.
Specific embodiment
In describing the invention it is to be understood that term " radially ", " axial ", " on ", D score, " top ", " bottom ",
The orientation of instruction such as " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the present invention and simplify description, rather than the device of instruction or hint indication or element must have specific orientation, with specific
Azimuth configuration and operation, be therefore not considered as limiting the invention.In describing the invention, unless otherwise stated,
" multiple " are meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be to be joined directly together it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in the present invention.
As shown in Figure 1-2, the present embodiment include base 1, clamping group based on the shaft-like workpiece measurement apparatus of sensing technology
Part, measurement assembly, signal conditioner 5, processor 7, plc controller 8 and display screen 9, wherein, base 1 is fixing in the horizontal plane,
Base 1 in the present embodiment is to be bolted on horizontal plane, and clamp assemblies are also secured on base 1, clamp assemblies bag
Include fixture 21, jig driver 22 and hold out against part it is preferred that fixture 21 is three-jaw electric chuck, three-jaw electric chuck is arranged on
On jig driver 22, three-jaw electric chuck is driven by jig driver 22 and carries out rotating, unclamps or pinching action, holds out against part solid
It is scheduled on base 1, fixture 21 clamps shaft-like workpiece 6 and held out against by holding out against part, the part that holds out against in the present embodiment includes top 23
With tip holder 24, top 23 are fixed on base 1 by tip holder 24, hold out against part and fixture 21 has equal centering height
Degree, that is, the centrage of top 23 centrage and fixture 21 on same horizontal linear so that shaft-like workpiece 6 is accurately fixed
Position.
Measurement assembly in the present embodiment includes ccd imageing sensor 31, angular transducer 32 and position sensor 33, excellent
Choosing, angular transducer 32 is code-disc, and position sensor 33 is grating scale position sensor, and wherein, ccd imageing sensor 31 is used
In the detection of shaft-like workpiece 6, angular transducer 32 is used for detecting the angle that fixture 21 rotates, position sensor 33 is used for judging
The position of ccd imageing sensor 31 is it is preferred that embed imaging len automatic light source, ccd image in ccd imageing sensor 31
Sensor 31 is used for detecting one-dimensional size, shape and the area parameters of shaft-like workpiece 6, is known with realizing the shape to shaft-like workpiece 6
Do not check with overall size.
The mounting structure of the measurement assembly in the present embodiment is as follows, and angular transducer 32 is arranged on fixture 21, ccd image
Sensor 31 and position sensor 33 are slidably mounted on rail plate 4 by sliding support 41, and specifically, rail plate 4 is solid
It is scheduled on base 1, in the present embodiment, rail plate 4 is to be fixed on base 1 by spider, one end of sliding support 41 is to slide
Moved end, sliding end is slidably mounted on rail plate 4, and the other end of sliding support 41 is fixing end, and fixing end is installed ccd
Imageing sensor 31, ccd imageing sensor 31 is arranged towards shaft-like workpiece 6 to detect shaft-like workpiece 6, the slip of sliding support 41
End is additionally provided with motor 42, and sliding support 41 is driven by motor 42 and slides along rail plate 4, specifically, the end peace of motor 42
Cogged, tooth bar is installed in the side of rail plate 4, and motor 42 passes through gear and rack drives sliding support 41 slides, this enforcement
Installation site sensor 33 on the sliding end of sliding support 41 in example.
In the present embodiment, the signal of measurement assembly collection is sent to processor 7 calculating by signal conditioner 5 and processes, its
In, signal conditioner 5 is used for the filtration of signal, amplifies and nurse one's health and be sent to processor 7, and processor 7 receipt signal nurses one's health device 5
The signal of feedback, and be analyzed and the form and position tolerance judging shaft-like workpiece 6 with default threshold values.Plc control in the present embodiment
Device 8 processed is connected with processor 7, and plc controller 8 controls jig driver 22 and motor 42 according to the control signal of processor 7.This
Display screen 9 in embodiment is also connected with processor 7, and display screen 9 is used for showing form and position tolerance measurement result.
The present embodiment also provides a kind of shaft-like workpiece form and position tolerance measuring method based on sensing technology, using above-mentioned base
In the shaft-like workpiece measurement apparatus of sensing technology, comprise the following steps:
A. jig driver 22 drives fixture to 21 rotations, and fixture 21 drives shaft-like workpiece 6 to operate together；
B.ccd imageing sensor 31 detects to shaft-like workpiece 6, and angle transducer detects the angle that fixture 21 rotates simultaneously
Degree, position sensor 33 detects the position of ccd imageing sensor 31, and specifically, the light that ccd imageing sensor 31 sends irradiates
Form a horizontal line in the periphery of shaft-like workpiece 6, the position of this light point measured by ccd imageing sensor 31；
Detection signal is sent to signal and adjusts by c.ccd imageing sensor 31, angular transducer 32, position sensor 33 respectively
Reason device 5, signal conditioner 5 receives the signal of sensor transmission, and carries out the filtration of signal, amplifies and conditioning, and transmits everywhere
Reason device 7；
D. processor 7 receipt signal nurses one's health the signal of device 5 feedback, and is analyzed with default threshold values and judges circular work
The form and position tolerance of part, wherein, processor 7 is with least square fitting principle and mathematical method, sets up shaft-like workpiece 6 and joins
The mathematical model that number solves, the overall dimensions of detection shaft-like workpiece 6 and form and position tolerance, then show morpheme by display screen 9
Tolerance is it is preferred that display screen 9 is enlightening literary composition display screen.
The measurement apparatus of the present embodiment pass through processor 7 and plc controller 8 controls ccd imageing sensor 31 periodically to adopt
Then these point data are changed the signal of telecommunication by optical signal, are then passed to processor by the point data of collection shaft-like workpiece 6 diverse location
7 are processed, and processor 7 utilizes method of least square and mathematical method, set up the mathematical model of shaft-like workpiece 6 solution, and combine
Quantitatively calibrating parameter, carries out error evaluation, finally draws form and position tolerance, this process complete the collection to data, coordinate turn
Change, the calculating of form and position tolerance, and by display screen 9 display output result.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
Obvious change that the spirit of the present invention is extended out or change among still in protection scope of the present invention.
Claims (7)
1. a kind of shaft-like workpiece measurement apparatus based on sensing technology it is characterised in that: include:
Base (1), described base (1) is fixing in the horizontal plane；
Clamp assemblies, described clamp assemblies are fixed on described base (1), and described clamp assemblies include fixture (21), fixture drives
Dynamic device (22) and hold out against part, described fixture (21) is arranged on described jig driver (22), described hold out against part be fixed on described
On base (1), described hold out against part and fixture (21) grips shaft-like workpiece (6), described hold out against part and described fixture (21) tool
There is equal centering height；
Measurement assembly, described measurement assembly includes ccd imageing sensor (31), angular transducer (32) and position sensor
(33), described angular transducer (32) is arranged on described fixture (21), and described angular transducer (32) is used for detecting described folder
The angle that tool (21) rotates, described ccd imageing sensor (31) and position sensor (33) slide by sliding support (41) and pacify
It is contained on rail plate (4), described rail plate (4) is fixed on base (1), described sliding support (41) is driven by motor (42)
Move and slide along described rail plate (4), described ccd imageing sensor (31) is used for the detection of shaft-like workpiece (6), described position
Sensor (33) is used for judging the position of described ccd imageing sensor (31)；
Signal conditioner (5), described signal conditioner (5) is used for receiving the signal of described measurement assembly transmission, and described signal is adjusted
Reason device (5) carries out the filtration of signal, amplifies and nurse one's health and be sent to processor (7)；
Processor (7), described processor (7) receipt signal nurses one's health the signal that device (5) feeds back, and is analyzed with default threshold values
With the form and position tolerance judging shaft-like workpiece (6)；
Plc controller (8), described plc controller (8) is connected with described processor (7), and described plc controller (8) is according to process
The control signal of device (7) controls jig driver (22) and motor (42)；
Display screen (9), described display screen (9) is connected with described processor (7), and described display screen (9) is used for showing form and position tolerance
Measurement result.
2. the shaft-like workpiece measurement apparatus based on sensing technology according to claim 1 it is characterised in that: described base
(1) it is bolted on horizontal plane, described rail plate (4) is fixed on described base (1) by spider.
3. the shaft-like workpiece measurement apparatus based on sensing technology according to claim 2 it is characterised in that: described ccd figure
As imaging len embedded in sensor (31) automatic light source, described ccd imageing sensor (31) is used for detecting shaft-like workpiece (6)
One-dimensional size, shape and area parameters.
4. the shaft-like workpiece measurement apparatus based on sensing technology according to claim 3 it is characterised in that: described hold out against part
Including top (23) and tip holder (24), described top (23) are fixed on described base (1) by tip holder (24).
5. the shaft-like workpiece measurement apparatus based on sensing technology according to claim 4 it is characterised in that: described fixture
(21) it is three-jaw electric chuck, described display screen (9) is enlightening literary composition display screen.
6. the shaft-like workpiece measurement apparatus based on sensing technology according to claim 5 it is characterised in that: described angle passes
Sensor (32) is code-disc, and described position sensor (33) is grating scale position sensor.
7. a kind of shaft-like workpiece form and position tolerance measuring method based on sensing technology, using such as claim 1-6 any one institute
The shaft-like workpiece measurement apparatus based on sensing technology stated it is characterised in that: comprise the following steps:
A. described jig driver (22) drives fixture to (21) rotation, and described fixture (21) drives shaft-like workpiece (6) to operate together；
B. described ccd imageing sensor (31) is detected to shaft-like workpiece (6), and described angle transducer detects described fixture simultaneously
(21) angle rotating, described position sensor (33) detects the position of described ccd imageing sensor (31)；
C. detection signal is sent to by described ccd imageing sensor (31), angular transducer (32), position sensor (33) respectively
Described signal conditioner (5), described signal conditioner (5) receives the signal of described sensor transmission, and carry out signal filtration,
Amplify and conditioning, and be sent to processor (7)；
D. described processor (7) receipt signal nurses one's health the signal that device (5) feeds back, and is analyzed with default threshold values and judges to justify
The form and position tolerance of shape workpiece, then shows form and position tolerance by display screen (9).
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| CN201610883710.2A CN106352813A (en) | 2016-10-10 | 2016-10-10 | Sensing-technology-based shaft workpiece measurement device and measurement method thereof |
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| CN201610883710.2A CN106352813A (en) | 2016-10-10 | 2016-10-10 | Sensing-technology-based shaft workpiece measurement device and measurement method thereof |
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| CN107152907A (en) * | 2017-05-31 | 2017-09-12 | 江苏理工学院 | The measurement apparatus and method of a kind of shaft-like workpiece |
| CN107218885A (en) * | 2017-05-31 | 2017-09-29 | 江苏理工学院 | A kind of cylindrical workpiece measurement apparatus and method based on hall sensor |
| CN107228616A (en) * | 2017-06-02 | 2017-10-03 | 江苏理工学院 | A kind of form and position tolerance detection means |
| CN107238365A (en) * | 2017-05-31 | 2017-10-10 | 江苏理工学院 | A kind of portable cylindrical workpiece measurement apparatus |
| CN108020159A (en) * | 2017-11-27 | 2018-05-11 | 武汉科技大学 | Shaft part size image collecting device based on machine vision |
| CN109174678A (en) * | 2018-09-19 | 2019-01-11 | 西安大医集团有限公司 | Screw rod sorting system and method |
| CN109323644A (en) * | 2018-10-16 | 2019-02-12 | 方志兰 | A kind of shaft-like workpiece surface roundness detection instrument and shaft-like workpiece roundness measurement method |
| CN109708573A (en) * | 2019-01-16 | 2019-05-03 | 武汉联扬科技有限公司 | A kind of axial workpiece parameter measurement system and its measurement method |
| CN109737884A (en) * | 2019-01-23 | 2019-05-10 | 合肥工业大学 | A kind of quiet dynamic deformation amount on-Line Monitor Device of axial workpiece and method |
| CN110044313A (en) * | 2019-04-26 | 2019-07-23 | 江苏理工学院 | Axial part measurer and its measurement method based on sensing technology |
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| CN107218885A (en) * | 2017-05-31 | 2017-09-29 | 江苏理工学院 | A kind of cylindrical workpiece measurement apparatus and method based on hall sensor |
| CN107238365A (en) * | 2017-05-31 | 2017-10-10 | 江苏理工学院 | A kind of portable cylindrical workpiece measurement apparatus |
| CN107152907A (en) * | 2017-05-31 | 2017-09-12 | 江苏理工学院 | The measurement apparatus and method of a kind of shaft-like workpiece |
| CN107228616B (en) * | 2017-06-02 | 2020-02-14 | 江苏理工学院 | Form and position tolerance detection device |
| CN107228616A (en) * | 2017-06-02 | 2017-10-03 | 江苏理工学院 | A kind of form and position tolerance detection means |
| CN108020159A (en) * | 2017-11-27 | 2018-05-11 | 武汉科技大学 | Shaft part size image collecting device based on machine vision |
| CN108020159B (en) * | 2017-11-27 | 2023-08-15 | 武汉科技大学 | Shaft part size image acquisition device based on machine vision |
| CN109174678A (en) * | 2018-09-19 | 2019-01-11 | 西安大医集团有限公司 | Screw rod sorting system and method |
| WO2020057377A1 (en) * | 2018-09-19 | 2020-03-26 | 西安大医集团有限公司 | Leadscrew sorting system and method |
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Application publication date: 20170125 |